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SERVICE HINTS

REPAIR POSITION COPPERSIDE

To get access to the copperside of the 
printed board assembly proceed as follows:

1.Remove bottom screws (6x) 
2.Lift the bottom-assy-1
3.Supply the unit via external DC-socket
4.Take care that the door switch is closed during                

measurements

REPAIR  POSITION COMPONENTSIDE

To get access to the compomentside of the 
printed board assembly proceed as follows:

1.Remove the bottom screws(6x)
2.Open the CD-door 
3.Lift the cabinet-assy-2 and put it backwards on the table 
4.Supply the unit via the external DC-socket
5.Take care that the door switch is closed during 

measurements

DISMANTLING THE CD-DOOR

To dismantle the CD-door proceed as follows:

1.Dismantle bottom and printed board/drive assembly
2.Disconnect the sticker

(flex-foil connector on the membrance keyboard)

3.Disconnect membrance keyboard

(flex-foil connector on copperside of printed board)

4.Bend the CD-door rightwards downwards as indicated in 
the picture above

Remark:Do not use screwdrivers or tools. 

Sharp edges could damage hinge or cabinet part.

Summary of Contents for EXP320

Page 1: ...de view 4 5 Exploded view 5 1 Mechanical partslist 5 1 Electrical partslist 6 1 6 3 3140 785 32600 Published by LX 0328 Service Audio Printed in The Netherlands Subject to modification Portable compact disc player CLASS 1 LASER PRODUCT TABLE OF CONTENTS Copyright 2001 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored...

Page 2: ...6 3 8 1 D C Low pass filter DUT S N and distortion meter L R i e Sennheiser UPM550 with FF filter Level meter i e Sound Technology ST1700B i e 4822 395 30204 22kHz 13th order E L B A T R O P D C R O F S E I R O S S E C C A EXP320 EXP321 EXP322 EXP323 EXP325 C 0 0 7 0 17 00C 05Z 01 10 00C 17 00C 0 0 0 6 1 3 Y A r o t p a d A C D C A 0 0 0 7 1 3 Y A r o t p a d A C D C A 5 0 0 7 1 3 Y A r o t p a d ...

Page 3: ...pwards or Clean or replace the disc No audio file Wait until the steamed up lens has indication cleared Make sure you have inserted an audio disc or an MP3 CD Problem Solution Disc error Make sure the inserted CDR or CDRW indication is recorded correctly Music file is not played Make sure that the file names of the MP3 files end with mp3 Missing directories on Make sure the total number of MP3 CD ...

Page 4: ...playback options such as shuffle and repeat 5 MP3 CD only select the previous album or fast track backward 6 MP3 CD only select the next album or fast track forward 7 PROG programs tracks and lets you review the program 8 DISPLAY selects the track and album information for MP3 CDs 9 display 0 2 switches the set on starts playback and interrupts playback DBB selects the bass adjustment press and ho...

Page 5: ...ent positive pole to the center pin Any other product may damage the set 1 Make sure the local voltage corresponds to the adapter s voltage If your mains adapter is equipped with a voltage selector set this selector to the local mains voltage if necessary 2 Connect the mains adapter to 4 5V DC on the set and to the wall outlet Note Always disconnect the adapter if you are not using it Headphones S...

Page 6: ...nt MP3 tracks ySkipping starts and speeds up 2 Release the button at the desired track yPlayback continues with the selected track Note To skip from track to track at low speed use or Programming track numbers You can select up to 50 tracks to play in a program A single track may be stored more than once in the program 1 While playback is stopped select a track with or 2 Press PROG to store the tr...

Page 7: ...ogging for example The ELECTRONIC SKIP PROTECTION protects this set against loss of sound caused by light vibrations or shocks Continuous playback is ensured ESP does not protect the set against damage caused by dropping Press ESP repeatedly during playback to select either y is shown and ESP is switched on y disappears Powersaving is switched on Belt Clip 1 Align the belt clip as indicated in the...

Page 8: ... which are identical with those specified be used Safety components are marked by the symbol i Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati Componenty di sicurezza sono marcati con ñ Veiligheidsbepalingen vereisen dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebr...

Page 9: ...6x 2 Open the CD door 3 Lift the cabinet assy 2 and put it backwards on the table 4 Supply the unit via the external DC socket 5 Take care that the door switch is closed during measurements DISMANTLING THE CD DOOR To dismantle the CD door proceed as follows 1 Dismantle bottom and printed board drive assembly 2 Disconnect the sticker flex foil connector on the membrance keyboard 3 Disconnect membra...

Page 10: ...466 10953 small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connection box 3press stud connections 1MΩ 4822 320 11307 Extendible cable 2m 2MΩ to connect wristband to connection box 4822 320 11305 Connecting cable 3m 2MΩ to connect table mat to connection box 4822 320 11306 Earth cable 1MΩ to connect any product to mat or to connection box 4822 320 11308 KIT ESD3 combining al...

Page 11: ...CLK SCLK SERIAL DATA INTERFACE PEAK DETECT EBU INTERFACE AUDIO PROCESSOR ERROR CORRECTOR FLAGS MOTOR CONTROL DOBM CFLG MOTO1 MOTO2 V1 V2 V3 V5 RKILL SILD RAB V4 D1 D3 HFPASS FILTER DATA SLICER THRESHOLD CON TROL IREF MONITOR LASER MONITOR ADC LASER LASER POWER CON TROL LOGIC LKILL INTERFACE CONTROL SENSE LPOWER EXTFILTER DC OFFSET COMPENSATION VOLTAGE BUFFER HF LF CAPTURE D1 D4 SUM ANTI ALIAS DSIC...

Page 12: ... buffer left output BUF_IN_L 32 Audio buffer left input BUF_GND 33 Audio buffer ground LKILL 34 Kill output for left channel configurable as open drain RKILL 35 Kill output for right channel configurable as open drain CDT_RDY 36 CD Text to micro ready flag CDT_DATA 37 CD Text data to micro CDT_CLK 38 CD Text micro clock CFLAG 39 Correction flag output open drain V SSD1 40 Digital ground 1 V DDD1 4...

Page 13: ...al Purpose IO pin GPIO 7 D4 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 6 E1 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 5 D2 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 4 D1 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 3 C2 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 2 C1 0 3 3VDC tolerant I O 0 General Purpose IO pin GPIO 1 B1 0 3 3VDC tolerant I O 0 Genera...

Page 14: ... output 1 LCD_DB 2 C14 0 3 3VDC tolerant I O Data input 2 Data output 2 LCD_DB 3 C16 0 3 3VDC tolerant I O Data input 3 Data output 3 LCD_DB 4 D13 0 3 3VDC tolerant I O Data input 4 Data output 4 LCD_DB 5 A17 0 3 3VDC tolerant I O Data input 5 Data output 5 serial clock LCD_DB 6 C13 0 3 3VDC tolerant I O Data input 6 Data output 6 Serial data input LCD_DB 7 B16 0 3 3VDC tolerant I O Data input 7 D...

Page 15: ...I_D 4 R5 0 3 3VDC tolerant I O EBI data EBI_D 3 T2 0 3 3VDC tolerant I O EBI data EBI_D 2 P5 0 3 3VDC tolerant I O EBI data EBI_D 1 T1 0 3 3VDC tolerant I O EBI data EBI_D 0 R4 0 3 3VDC tolerant I O EBI data EBI_S DCLKOUT J1 O SDRAM clock EBI_CKE 0 H4 O SDRAM clock enable EBI_DQM 1 T11 O SDRAM data mask 1 EBI_DQM 0 U11 O SDRAM data mask 0 EBI_NRAS R10 O SDRAM row address strobe SMC byteWr0 byte wr...

Page 16: ...ed NC H1 Not connected NC A13 Not connected NC A12 Not connected NC B12 Not connected S YMBOL 1 L FB GA 208 P IN DIG IT AL I O L EV EL AP P L FUNC P IN S TA TE AFTER R E S E T DES CR I P TION PIN DESCRIPTIONS OF IC SAA7752 ...

Page 17: ...ormal Disc Motor Test display xF and yd and zr and ESA Flag x focus status focus ok focus error y disc speed speed ok speed error Radial Test ESA Flag play mode Flag lite CD RW compatible Flag off normal z on track status on track not on track key NEXT pressed n y key PREV pressed n y CUE MODE track servo jumps 16 tracks forward REVIEW MODE track servo jumps 16 tracks backward key STOP pressed n y...

Page 18: ...3 8 3 8 DC JACK Headphone BLOCKDIAGRAM ...

Page 19: ...7 L14 K4 H1 G3 E3 C3 L3 U17 P17 L2 M3 T16 R1 P1 N1 M1 N17 J4 L4 G4 E4 C4 M17 H17 K17 P15 T17 R16 G17 R2 P2 N2 M2 L17 R17 R15 N14 E17 K14 A15 B13 A14 C10 C11 D16 D17 C17 C15 J17 R13 R12 T15 T14 B4 A3 B3 D11 D10 E14 B14 A4 M16 M15 L16 D15 L15 N15 N16 P13 P12 C16 D13 A17 C13 B16 B15 D12 A16 K3 A2 B2 U12 T13 U13 K16 P14 R14 U15 C12 D14 B17 C14 B12 A12 A13 C2 D1 D2 E1 D4 E2 D3 K15 A7 B8 A8 B9 C1 A9 B10...

Page 20: ...0K 100n 2332 GND_A 2135 4u7 3046 10K 1006 DC JACK 2315 2u2 3252 10K GND_A U44 22n 2304 6026 BZX284 C3V9 3058 100K 3271 10R T018 10K 3052 10 7 14 8 1M 3121 7010 3 74LV132D 9 U8 GND_A 4013 2063 1u GND_A 470R 3247 GND_A 220K 3139 10M 8K2 3133 GND_A 3013 2M2 3117 6 BZX284 C10 6004 GND_A 74LV132D 7010 2 4 5 7 14 T022 GND_A GND_A 2069 100u 7005 BC847B 2138 1u 3044 NTH5G 100K BAT54 COL 6011 GND_A GND_A 3...

Page 21: ... A 56K 3148 GND_A4 TDA1308T T037 3151 56K 3259 680R U23 3258 680R U31 10R 3035 3154 100K ESD 2084330p 15R 10u 2065 3098 3262 100K 100K 3261 4021 4020 100p 2041 U28 3082330R GND_A GND_A4 4K7 3093 47K 1u 2046 U27 3129 3027 22R 3109 3076 T102 2094 22n 7004 100K 3079 GND_A4 3 2 7502 BC847BW 3 2 7021 BC817 40 1 8 9 GND_A BC817 40 7026 1 1 10 11 12 13 14 15 16 2 3 4 5 6 7 BC847BW 7501 1007 FMN 180K 3105...

Page 22: ...4 4 4 4 COMBI BOARD LAYOUT DIAGRAM COPPER SIDE VIEW ...

Page 23: ...4 5 4 5 COMBI BOARD LAYOUT DIAGRAM COMPONENT SIDE VIEW ...

Page 24: ... 00C 412 3140 117 64062 CD DOOR ASSY EXP325 00C 413 3140 110 51761 LCD PANEL 64 16 DOT MATRIX 414 3140 113 33101 MEMBRANE KEYBOARD EXP320 416 3103 300 41570 SCREW P 1 4X2 5 CR 417 3103 304 70320 DOOR BATTERY 2 418 3103 304 69570 SLIDER RESUME 419 3140 111 01472 CD DOOR SPRING LEFT 421 3140 111 01482 CD DOOR SPRING RIGHT 422 3103 307 99711 CABINET ASSY 2 423 3103 301 06500 SPRING SLIDER OPEN 2 424 ...

Page 25: ...3W 2400 5322 122 31647 1nF 10 X7R 63V 3048 3198 031 04720 4 7K 5 ELECTRICAL PARTSLIST COMBI BOARD MISCELLANEOUS CAPACITORS 1001 2422 543 01106 CRYSTAL 2035 4822 124 81059 220µF 20 4V 1002 2422 129 16818 SWITCH PUSH 2036 2222 867 15339 33pF 5 NP0 50V 1003 4822 277 21705 SWITCH 2037 5322 126 11583 10nF 10 X7R 50V 1004 2422 086 11012 FUSE 0 7A 50V 2038 5322 126 11583 10nF 10 X7R 50V 1005 2422 025 122...

Page 26: ...30272 2 7K 5 0 062W 3154 4822 117 13632 100K 1 0 62W 3097 4822 051 30222 2 2K 5 0 062W 3156 4822 051 30101 100R 5 0 062W 3097 4822 051 30272 2 7K 5 0 062W 3157 4822 117 13632 100K 1 0 62W 3098 4822 117 12971 15R 5 0 62W 3161 4822 117 13632 100K 1 0 62W ELECTRICAL PARTSLIST COMBI BOARD RESISTORS RESISTORS 3162 4822 117 12891 220K 1 4003 4822 051 30008 0R JUMPER 3163 4822 117 13632 100K 1 0 62W 4004...

Page 27: ...822 130 42615 BC817 40 7022 3198 010 42320 BC857BW 7023 3198 010 42320 BC857BW 7024 4822 130 42615 BC817 40 7025 4822 130 42615 BC817 40 7026 4822 130 42615 BC817 40 7027 9322 166 67668 MT48LC4M16A2TG 7E 7029 5322 130 60159 BC846B 7030 5322 130 60159 BC846B 7032 5322 130 60123 BC807 40 7033 5322 130 60123 BC807 40 7034 3198 010 42310 BC847BW 7035 3198 010 42310 BC847BW 7044 5322 130 60159 BC846B 7...

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